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otez555 [7]
3 years ago
6

Find the congruence transformation that maps ∆ABC to ∆A’B’C’. Explain your reasoning

Mathematics
1 answer:
aalyn [17]3 years ago
7 0
To flip any of the points to map up correctly to the other points, you would have to do a reflection over the y-axis. The reasoning for this is because you cannot dilate your shape because it won't map over correctly. A translation will not work, mainly because the shape still needs to flip. A rotation will also not work because when you rotate it, the shape will still not map over your new one. 

-So your answer to this question would be that only a Reflection over the y-axis will allow the two shapes to map over each other correctly.
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Write an equation of the line that passes through the given point and is parallel to the given line.
saveliy_v [14]

the equation of line passing through given point parallel to y = -2x+7 is: y = -2x+9

Step-by-step explanation:

Given equation of line is:

y = -2x+7

As the given line is in slope intercept form, the coefficient of x is the slope

Let m1 be the slope of given line

m_1 = -2

Let m2 be the slope of second line then

m_2= -2

The equation of line is given by:

y= m_2x+b

Putting the value of slope

y = -2x+b

Putting the point (4,1) in the equation

y = -2x+b\\1 = -2(4)+b\\1= -8+b\\b = 1+8\\b = 9

Putting the value of b in the equation

y = -2x+9

Hence,

the equation of line passing through given point parallel to y = -2x+7 is: y = -2x+9

Keywords: Slope, intercepts

Learn more about slope at:

  • brainly.com/question/664010
  • brainly.com/question/6594923

#LearnwithBrainly

3 0
3 years ago
Free points to whoever anwsers first 10+10
faust18 [17]

Answer:

20

Step-by-step explanation:

Thanks

6 0
3 years ago
Read 2 more answers
Q. If 5 (3x-1) =40, then x = *<br>a-3<br>b-9
jeyben [28]

Answer: 3

Step-by-step explanation:

Distribute the 5: 15x-5=40

Add 5 from both sides: 15x=45

Divide 15 by both sides: 3

4 0
3 years ago
Read 2 more answers
Dan earns $78.75 for working 9 hours. Calculate the unit rate. How much money does he earn in 1 hour?*​
MAVERICK [17]

Answer:

why I should answer If dan give me money then only I will answer

4 0
3 years ago
Need this for my math test?
docker41 [41]

Answer:

519.6

Step-by-step explanation:

A hexagon has a total of 720 for it's interior angles so each angle is 120 and in the triangle, each of them is 60, making it an equilateral triangle. You can use 30 60 90 triangles to find the height which is 5√3.

(5√3)*10=50√3

The area of the triangle times 6 is 300√3 which is approximately 519.6

7 0
3 years ago
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